A live look inside the United Center here in Chicago, Illinois, where Night Three of

the Democratic National Convention is about to get underway, a third U.S. President will

be entering center stage, along with the potential next U.S. Vice President facing the

biggest test of his political career. Hello and welcome to the lead I'm Jake

Tapper here once again at the Democratic National Convention where all eyes in this massive arena and around the country

will soon be on Minnesota Governor Tim Walls.

Vice President Kamala Harris is running made.

Just appeared here for a walk-through before he formally accepts the vice presidential

nomination later tonight in front of an adoring and roaring crowd of delegates.

Governor Wallace will be introducing himself to much of the nation after being propelled to

the national spotlight just a little over two weeks ago. Wall's a former assistant

high school football coach and teacher and national guardsman and six-term US

congressman is facing some scrutiny

over missteps, gaffs, and exaggerations about his life story, particularly his

service which Republican veterans in Congress today are accusing him of quote lying about more on that in a second

we'll see if Governor Wall's addresses any of that tonight the campaign says the

governor will be highlighting values instilled from his upbringing in Nebraska and will say how those routes helped

shape his service in the Minnesota National Guard which he enlisted at the age of 17 and served

honorably in the National Guard for 24 years.

We are also hearing former football players once coached by walls will be on hand tonight

as his name is entered into nomination.

While his star rises in the Democratic Party. People are still talking about the

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